STP1307

    Tribological Properties of Extruded, Pressed, and Modified Ultra-High Molecular Weight Polyethylene (UHMWPE)—A Ring-on-Disc Screening Test

    Published: Jan 1998


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    Abstract

    The creep and wear behaviors of pressed ultra-high molecular weight polyethylene (UHMWPE), extruded UHMWPE, and modified UHMWPE were compared by means of testing the following materials: GUR 1150 pressed, GUR 1150 extruded, and GUR 1120 pressed with 0.1% Vitamin E. Using the ring-on-disc method, the wear and deformation volumes for 360 000 cycles and 1 million cycles were determined. A static universal testing device was used to determine the deformation behaviors of the several materials, while the testing time corresponded to that of the ring-on-disc tests.

    Keywords:

    UHMWPE pressed, UHMWPE extruded, UHMWPE with 0.1% vitamin E, ring-on-disc test, deformation test, volume of wear and deformation, volume of deformation, wear behavior


    Author Information:

    Huber, J
    Labor für Biomechanik und Experimentelle Orthopädie, Klinikum Großhadern, München,

    Plitz, W
    Labor für Biomechanik und Experimentelle Orthopädie, Klinikum Großhadern, München,


    Paper ID: STP11916S

    Committee/Subcommittee: F04.02

    DOI: 10.1520/STP11916S


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